Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Historical Inflation This calculator shows how inflation over the years has impacted purchasing power. Making Your Tax Bracket Work Have you explored all your options when it comes to managing your taxable income? What Smart Investors Know Savvy investors take the time to separate emotion from fact.